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Date:      Mon, 29 Sep 2003 08:29:20 +0200
From:      Philip Paeps <philip+freebsd@paeps.cx>
To:        security@freebsd.org
Subject:   Re: Apache under attack and eating resources?
Message-ID:  <20030929062920.GB760@hermes.nixsys.be>
In-Reply-To: <20030929022753.GC334@silverwraith.com>
References:  <20030928235939.GH629@hermes.home.paeps.cx> <20030929022753.GC334@silverwraith.com>

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On 2003-09-28 19:27:53 (-0700), Avleen Vig <lists-freebsd@silverwraith.com> wrote:
> On Mon, Sep 29, 2003 at 01:59:39AM +0200, Philip Paeps wrote:
> > This might be more related to an Apache-security list, but as the machine
> > is running FreeBSD, I thought I'd ask here first.
> > 
> > In the last two weeks, I've been seeing some very strange errors in my
> > logs a few times daily around the same times.  While this happens, load
> > averages go through the roof (I've seen 36+, which is outragous), and the
> > machine becomes very unresponsive.
> > 
> > First there's a few million of these:
> 
> [snip]
> 
> Are you running any CGI's, or other server-side scripts? Bugs in your
> scripts could cause things like this, and make it look like it's apache
> which is at fault.

I forgot to mention I was running mod_php4 from the ports.  I don't think any
scripts changed in the last few weeks, but I'll have a look into it.  Any idea
what kind of script bugs could cause PHP to tear things down like this, other
than the classic loop from hell?

Thanks!

 - Philip

-- 
Philip Paeps                                          Please don't CC me, I am
                                                       subscribed to the list.

  BOFH Excuse #34:
    (l)user error



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